21691212

素因数分解:

$2^2\times 3^1\times {\mathrm{227}}^1\times {\mathrm{7963}}^1$

素因数の和:8197

約数の個数: 24

約数和(自身を含む): 50842176

約数和(自身を除く): 29150964

約数列:

[1, 2, 3, 4, 6, 12, 227, 454, 681, 908, 1362, 2724, 7963, 15926, 23889, 31852, 47778, 95556, 1807601, 3615202, 5422803, 7230404, 10845606, 21691212]

約数ペア:

[(1, 21691212), (2, 10845606), (3, 7230404), (4, 5422803), (6, 3615202), (12, 1807601), (227, 95556), (454, 47778), (681, 31852), (908, 23889), (1362, 15926), (2724, 7963)]